2023 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI 35 S Line Manual FWD Euro 6 (s/s) 4dr (148 bhp)
• Year: 2023
• Mileage: 20,038 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: White
• CO2: 133 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 20,038 miles, approximately 7,000 below the typical mileage for its age. The AskCar estimate for this car is £20,346. It is priced at £21,498, which is £1,152 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We have tracked this advert for 18 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Preston Renault / Dacia, based in Preston. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,152 (5%) over the AskCar estimate of £20,346.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 6,542 priced Audi A3 adverts across different ages and specifications, as of 2 November 2026.

A 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,600: the median of the 493 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 Audi A3 has been on sale for at least 18 days.

Price history

AskCar first saw this advert on 15 October 2026 at £21,498. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 25 April 2027.

It has had one MOT, on 1 April 2026, and passed.

Advisories at the latest test: front tyre worn close to legal limit/worn on edge both; front tyre slightly damaged/cracking or perishing both.

Mileage at that test: 20,028 miles, which matches the advertised 20,038 miles.

Advertised mileage is about 7,000 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

20 other 2023 Audi A3 S Line 1.5 petrol manual saloons are for sale at UK dealers, from £15,295 to £22,991, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 20,246 miles. Price: £19,997, £1,501 less than this car. Dealer: Marriott Motor Group Ipswich Audi in Ipswich. AskCar page: https://askcar.co.uk/car/audi-a3-2023-ccc563e01005
• 2023 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 20,328 miles. Price: £20,955, £543 less than this car. Dealer: Vindis Group Northampton Audi in Northampton. AskCar page: https://askcar.co.uk/car/audi-a3-2023-f66644033897
• 2023 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 21,103 miles. Price: £21,498, the same price as this car. Dealer: Arnold Clark Linwood Vauxhall / Jeep / Alfa Romeo in Linwood. AskCar page: https://askcar.co.uk/car/audi-a3-2023-85f59c8bc178

• The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, red, 25 miles from this car. Mileage: 13,000 miles. Price: £21,490, the same price as this car. Dealer: Stratstone Liverpool Audi in Liverpool. AskCar page: https://askcar.co.uk/car/audi-a3-2023-bec7bae5a08b